<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>选择器权重</title>
		<!-- 选择器权重越高 选中几率越大 -->
		<style>
			*{  /*权值 0 很容易被覆盖*/
				color: #ffaa00 !important;  /*! improtant 重要紧急*/
				background: #55ffff !important;
			}
			div{/*权值 1*/
				color: #00ff00;
				background: #ff557f;
			}
			.d1{/*权值：10*/
				color: #00ff00;
				background: #aaff00;
			}
			div.d1{ /*选择器权值之和  权值1+10 11*/
				color: #55ff00;
				background: #ff0000;
			}
			body div.d1{/*权值1+1+10 12*/
				font-size: 25px;
				color: #000000;
				background: #ff0000;
			}
			#d1{/*权值 100*/
				font-size: 15px;
				color: #aaaaff;
				background: #aaff00;
			}
			div#d1{/*100+1 101*/
				font-size: 15px;
				color: #51ff21;
				background: #ff20bc;
			}
			div#d1:hover{/*权值 111*/
				color: #aaaaff;
				background: #aaff00;
			}
			
		</style>
	</head>
	<body>
		<div class="d1" id="d1" style="color: red;">Lorem ipsum dolor sit amet consectetur adipisicing elit. In, delectus! Pariatur cum culpa animi tenetur architecto vitae accusantium quasi sit illo maiores ea, atque optio nulla alias neque temporibus ad?</div>
		
	</body>
</html>